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whyclxw

2025-05-12 6893db726914cfbc57910831e7c3d4693e43fe01

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package com.whyc.filter;
 
import com.whyc.constant.YamlProperties;
import com.whyc.pojo.db_user.User;
 
import javax.servlet.*;
import javax.servlet.annotation.WebFilter;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
 
/**
 * 权限验证
 */
@WebFilter
public class AccessFilter implements Filter {
    @Override
    public void init(FilterConfig filterConfig) throws ServletException {
 
    }
 
    @Override
    public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain) throws IOException, ServletException {
 
        HttpServletRequest request = (HttpServletRequest) servletRequest;
        HttpServletResponse response = (HttpServletResponse) servletResponse;
 
        String requestURI = request.getRequestURI();
        String servletPath = request.getServletPath();
 
 
        if(YamlProperties.profileType.equals("prod")) {
            //用户需要登录
            User user = (User) request.getSession().getAttribute("user");
            //无需登录可以调用接口放行
            if (!requestURI.contains(".") && !servletPath.equals("/") &&
                    (!
                        (
                            //登录页面接口
                            requestURI.contains("login/login")
                            || requestURI.contains("loginByRSA")
                            //WebSocket-账号其他主机登录
                            || requestURI.contains("loginCheck")
                            //软件升级申请请求
                            || requestURI.contains("software/upgradeApply")
                            //options请求
                            || request.getMethod().toUpperCase().equals("OPTIONS")
                        ))) {
                if (user == null) {
                    //越权访问
                    response.setStatus(401);
                    response.setContentType("text/html;charset=utf-8");
                    response.getWriter().write("非法请求，身份未验证");
                    return;
                }
            }
        }
 
        filterChain.doFilter(servletRequest, servletResponse);
    }
 
    private int count(String target,char charValue){
        int count = 0;
        for (char ch : target.toCharArray()){
            if(charValue == ch){
                count++;
            }
        }
        return count;
    }
 
 
    @Override
    public void destroy() {
 
    }
}